Antibodies to elastin peptides in sera of Belgian Draught horses with chronic progressive lymphoedema.
Authors: van Brantegem L, de Cock H E V, Affolter V K, Duchateau L, Hoogewijs M K, Govaere J, Ferraro G L, Ducatelle R
Journal: Equine veterinary journal
Summary
# Chronic Progressive Lymphoedema in Belgian Draught Horses: An Immunological Marker for Early Detection Chronic progressive lymphoedema (CPL) affects multiple draught horse breeds with progressive dermatological lesions on the lower limbs, yet early diagnosis remains challenging despite the clinical benefit of initiating supportive treatment before significant tissue damage occurs. Van Brantegem and colleagues investigated whether antibodies against elastin peptides in serum could serve as a diagnostic or prognostic biomarker in Belgian Draught horses, reasoning that elastin degradation in affected skin might trigger a measurable immune response. Their findings demonstrated the presence of anti-elastin peptide antibodies in horses with CPL, suggesting an autoimmune or inflammatory component to the disease pathogenesis. For practitioners, this work indicates potential value in serological testing as an objective diagnostic tool and the possibility of early intervention before clinical signs become apparent; however, further validation across larger populations and different draught breeds would be needed to establish clinical protocols. Understanding the immunological basis of CPL also opens avenues for investigating whether targeted anti-inflammatory or immunomodulatory strategies might slow disease progression.
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Practical Takeaways
- •Recognition of CPL as a distinct disease entity in draught horses is essential; early identification allows initiation of supportive treatment before severe disfigurement occurs
- •Practitioners should maintain high suspicion for CPL in draught horses presenting with progressive lower limb skin lesions, as early intervention may slow disease progression
- •Development of diagnostic biomarkers (such as elastin peptide antibodies) could improve early detection and enable better disease monitoring in affected horses
Key Findings
- •Chronic progressive lymphoedema is a recently recognised disease affecting Belgian Draught horses and other draught breeds characterised by progressive skin lesions on lower limbs
- •Clinical signs progress slowly resulting in severe limb disfigurement
- •Early diagnosis and monitoring of CPL progression remains challenging, limiting the opportunity for early supportive treatment